88f4b33196
Add new PPIDs 56 and 57. When sending an empty message, we use the corresponding PPID with a single byte data chunk. On the receiving side, when detecting such a PPID, we just ignore the payload content. Bug: webrtc:12697 Change-Id: I6af481e7281db10d9663e1c0aaf97b3e608432a1 Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/215931 Commit-Queue: Florent Castelli <orphis@webrtc.org> Reviewed-by: Harald Alvestrand <hta@webrtc.org> Cr-Commit-Position: refs/heads/master@{#33808}